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koreyspace/
sam2.1-hiera-base-plus

Name: sam2.1-hiera-base-plus
Availability: InStock

safetensors

sam2_video

endpoints_compatible

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SAM2.1 Highlight Mask Endpoint

Custom Hugging Face Inference Endpoint handler for Agatha collection highlights.

The endpoint wraps facebook/sam2.1-hiera-base-plus with Meta's official sam2.sam2_image_predictor.SAM2ImagePredictor API and exposes the exact contract the backend expects:

json

{
  "inputs": {
    "image_base64": "...",
    "mime_type": "image/png",
    "boxes": [
      { "id": "sofa", "box": { "x1": 120, "y1": 300, "x2": 640, "y2": 760 } }
    ]
  }
}

Response:

json

{
  "masks": [
    {
      "id": "sofa",
      "score": 0.93,
      "mask_png_base64": "...",
      "box": { "x1": 120, "y1": 300, "x2": 640, "y2": 760 },
      "mime_type": "image/png"
    }
  ]
}

requirements.txt intentionally avoids transformers. The model card supports a Transformers route, but the stable first-party path for this custom endpoint is SAM2ImagePredictor.from_pretrained("facebook/sam2.1-hiera-base-plus"). The handler calls set_image() once per request and segments all provided boxes in one predictor call.

Upload handler.py and requirements.txt to a Hugging Face model repo, then deploy that repo as an Inference Endpoint with task Custom.

koreyspace/sam2.1-hiera-base-plus

SAM2.1 Highlight Mask Endpoint

koreyspace/
sam2.1-hiera-base-plus